Home / 92,478.16-127,606.18-56,160.72

Finding the Fourth Proportional to 92,478.16, 127,606.18 and 56,160.72

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Solution

The fourth proportional to 92,478.16, 127,606.18 and 56,160.72 is: 77,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,478.16 : 127,606.18 = 56,160.72 : x
  2. Step 2: Convert to fraction form
    92,478.16/127,606.18 = 56,160.72/x
  3. Step 3: Cross multiply
    92,478.16x = 127,606.18 × 56,160.72
  4. Step 4: Simplify right side
    92,478.16x = 7,166,455,254.71
  5. Step 5: Solve for x
    x = 7,166,455,254.71/92,478.16
  6. Step 6: Final answer
    x = 77,493.49

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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.