Home / 103,931.96-143,425.56-56,184.88

Finding the Fourth Proportional to 103,931.96, 143,425.56 and 56,184.88

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Solution

The fourth proportional to 103,931.96, 143,425.56 and 56,184.88 is: 77,534.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,931.96 : 143,425.56 = 56,184.88 : x
  2. Step 2: Convert to fraction form
    103,931.96/143,425.56 = 56,184.88/x
  3. Step 3: Cross multiply
    103,931.96x = 143,425.56 × 56,184.88
  4. Step 4: Simplify right side
    103,931.96x = 8,058,347,877.53
  5. Step 5: Solve for x
    x = 8,058,347,877.53/103,931.96
  6. Step 6: Final answer
    x = 77,534.84

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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.