Home / 106,727.61-147,279.93-61,412.52

Finding the Fourth Proportional to 106,727.61, 147,279.93 and 61,412.52

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Solution

The fourth proportional to 106,727.61, 147,279.93 and 61,412.52 is: 84,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,727.61 : 147,279.93 = 61,412.52 : x
  2. Step 2: Convert to fraction form
    106,727.61/147,279.93 = 61,412.52/x
  3. Step 3: Cross multiply
    106,727.61x = 147,279.93 × 61,412.52
  4. Step 4: Simplify right side
    106,727.61x = 9,044,831,646.72
  5. Step 5: Solve for x
    x = 9,044,831,646.72/106,727.61
  6. Step 6: Final answer
    x = 84,746.88

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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.