Home / 145,154.16-217,722.56-45,300.29

Finding the Fourth Proportional to 145,154.16, 217,722.56 and 45,300.29

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Solution

The fourth proportional to 145,154.16, 217,722.56 and 45,300.29 is: 67,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,154.16 : 217,722.56 = 45,300.29 : x
  2. Step 2: Convert to fraction form
    145,154.16/217,722.56 = 45,300.29/x
  3. Step 3: Cross multiply
    145,154.16x = 217,722.56 × 45,300.29
  4. Step 4: Simplify right side
    145,154.16x = 9,862,893,792.43
  5. Step 5: Solve for x
    x = 9,862,893,792.43/145,154.16
  6. Step 6: Final answer
    x = 67,947.72

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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.