Home / 124,988.60-172,483.62-68,400.92

Finding the Fourth Proportional to 124,988.60, 172,483.62 and 68,400.92

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Solution

The fourth proportional to 124,988.60, 172,483.62 and 68,400.92 is: 94,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,988.60 : 172,483.62 = 68,400.92 : x
  2. Step 2: Convert to fraction form
    124,988.60/172,483.62 = 68,400.92/x
  3. Step 3: Cross multiply
    124,988.60x = 172,483.62 × 68,400.92
  4. Step 4: Simplify right side
    124,988.60x = 11,798,038,292.93
  5. Step 5: Solve for x
    x = 11,798,038,292.93/124,988.60
  6. Step 6: Final answer
    x = 94,392.91

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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.