Home / 145,258.08-217,809.36-62,106.72

Finding the Fourth Proportional to 145,258.08, 217,809.36 and 62,106.72

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Solution

The fourth proportional to 145,258.08, 217,809.36 and 62,106.72 is: 93,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,258.08 : 217,809.36 = 62,106.72 : x
  2. Step 2: Convert to fraction form
    145,258.08/217,809.36 = 62,106.72/x
  3. Step 3: Cross multiply
    145,258.08x = 217,809.36 × 62,106.72
  4. Step 4: Simplify right side
    145,258.08x = 13,527,424,934.90
  5. Step 5: Solve for x
    x = 13,527,424,934.90/145,258.08
  6. Step 6: Final answer
    x = 93,126.83

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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.