Home / 103,038.47-155,377.53-101,633.32

Finding the Fourth Proportional to 103,038.47, 155,377.53 and 101,633.32

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Solution

The fourth proportional to 103,038.47, 155,377.53 and 101,633.32 is: 153,258.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,038.47 : 155,377.53 = 101,633.32 : x
  2. Step 2: Convert to fraction form
    103,038.47/155,377.53 = 101,633.32/x
  3. Step 3: Cross multiply
    103,038.47x = 155,377.53 × 101,633.32
  4. Step 4: Simplify right side
    103,038.47x = 15,791,534,227.30
  5. Step 5: Solve for x
    x = 15,791,534,227.30/103,038.47
  6. Step 6: Final answer
    x = 153,258.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.