Home / 105,201.64-157,802.46-42,861.16

Finding the Fourth Proportional to 105,201.64, 157,802.46 and 42,861.16

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Solution

The fourth proportional to 105,201.64, 157,802.46 and 42,861.16 is: 64,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,201.64 : 157,802.46 = 42,861.16 : x
  2. Step 2: Convert to fraction form
    105,201.64/157,802.46 = 42,861.16/x
  3. Step 3: Cross multiply
    105,201.64x = 157,802.46 × 42,861.16
  4. Step 4: Simplify right side
    105,201.64x = 6,763,596,486.45
  5. Step 5: Solve for x
    x = 6,763,596,486.45/105,201.64
  6. Step 6: Final answer
    x = 64,291.74

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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.