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Finding the Fourth Proportional to 157,661.60, 236,492.40 and 46,853.60

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Solution

The fourth proportional to 157,661.60, 236,492.40 and 46,853.60 is: 70,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,661.60 : 236,492.40 = 46,853.60 : x
  2. Step 2: Convert to fraction form
    157,661.60/236,492.40 = 46,853.60/x
  3. Step 3: Cross multiply
    157,661.60x = 236,492.40 × 46,853.60
  4. Step 4: Simplify right side
    157,661.60x = 11,080,520,312.64
  5. Step 5: Solve for x
    x = 11,080,520,312.64/157,661.60
  6. Step 6: Final answer
    x = 70,280.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.