Home / 105,005.60-157,508.40-38,423.60

Finding the Fourth Proportional to 105,005.60, 157,508.40 and 38,423.60

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Solution

The fourth proportional to 105,005.60, 157,508.40 and 38,423.60 is: 57,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,005.60 : 157,508.40 = 38,423.60 : x
  2. Step 2: Convert to fraction form
    105,005.60/157,508.40 = 38,423.60/x
  3. Step 3: Cross multiply
    105,005.60x = 157,508.40 × 38,423.60
  4. Step 4: Simplify right side
    105,005.60x = 6,052,039,758.24
  5. Step 5: Solve for x
    x = 6,052,039,758.24/105,005.60
  6. Step 6: Final answer
    x = 57,635.40

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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.