Home / 103,061.60-154,592.40-96,840.80

Finding the Fourth Proportional to 103,061.60, 154,592.40 and 96,840.80

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Solution

The fourth proportional to 103,061.60, 154,592.40 and 96,840.80 is: 145,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,061.60 : 154,592.40 = 96,840.80 : x
  2. Step 2: Convert to fraction form
    103,061.60/154,592.40 = 96,840.80/x
  3. Step 3: Cross multiply
    103,061.60x = 154,592.40 × 96,840.80
  4. Step 4: Simplify right side
    103,061.60x = 14,970,851,689.92
  5. Step 5: Solve for x
    x = 14,970,851,689.92/103,061.60
  6. Step 6: Final answer
    x = 145,261.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.