Home / 124,767.64-172,130.52-76,937.95

Finding the Fourth Proportional to 124,767.64, 172,130.52 and 76,937.95

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Solution

The fourth proportional to 124,767.64, 172,130.52 and 76,937.95 is: 106,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,767.64 : 172,130.52 = 76,937.95 : x
  2. Step 2: Convert to fraction form
    124,767.64/172,130.52 = 76,937.95/x
  3. Step 3: Cross multiply
    124,767.64x = 172,130.52 × 76,937.95
  4. Step 4: Simplify right side
    124,767.64x = 13,243,369,341.23
  5. Step 5: Solve for x
    x = 13,243,369,341.23/124,767.64
  6. Step 6: Final answer
    x = 106,144.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.