Home / 125,478.18-173,160-68,117.46

Finding the Fourth Proportional to 125,478.18, 173,160 and 68,117.46

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Solution

The fourth proportional to 125,478.18, 173,160 and 68,117.46 is: 94,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,478.18 : 173,160 = 68,117.46 : x
  2. Step 2: Convert to fraction form
    125,478.18/173,160 = 68,117.46/x
  3. Step 3: Cross multiply
    125,478.18x = 173,160 × 68,117.46
  4. Step 4: Simplify right side
    125,478.18x = 11,795,219,373.60
  5. Step 5: Solve for x
    x = 11,795,219,373.60/125,478.18
  6. Step 6: Final answer
    x = 94,002.16

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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.