Home / 107,714.61-148,643.91-59,317.92

Finding the Fourth Proportional to 107,714.61, 148,643.91 and 59,317.92

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Solution

The fourth proportional to 107,714.61, 148,643.91 and 59,317.92 is: 81,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,714.61 : 148,643.91 = 59,317.92 : x
  2. Step 2: Convert to fraction form
    107,714.61/148,643.91 = 59,317.92/x
  3. Step 3: Cross multiply
    107,714.61x = 148,643.91 × 59,317.92
  4. Step 4: Simplify right side
    107,714.61x = 8,817,247,561.87
  5. Step 5: Solve for x
    x = 8,817,247,561.87/107,714.61
  6. Step 6: Final answer
    x = 81,857.49

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1.5x scale

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.