Home / 102,355.81-153,581.27-39,155.04

Finding the Fourth Proportional to 102,355.81, 153,581.27 and 39,155.04

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Solution

The fourth proportional to 102,355.81, 153,581.27 and 39,155.04 is: 58,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,355.81 : 153,581.27 = 39,155.04 : x
  2. Step 2: Convert to fraction form
    102,355.81/153,581.27 = 39,155.04/x
  3. Step 3: Cross multiply
    102,355.81x = 153,581.27 × 39,155.04
  4. Step 4: Simplify right side
    102,355.81x = 6,013,480,574.33
  5. Step 5: Solve for x
    x = 6,013,480,574.33/102,355.81
  6. Step 6: Final answer
    x = 58,750.75

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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.