Home / 103,272.60-142,522.08-57,948.24

Finding the Fourth Proportional to 103,272.60, 142,522.08 and 57,948.24

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Solution

The fourth proportional to 103,272.60, 142,522.08 and 57,948.24 is: 79,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,272.60 : 142,522.08 = 57,948.24 : x
  2. Step 2: Convert to fraction form
    103,272.60/142,522.08 = 57,948.24/x
  3. Step 3: Cross multiply
    103,272.60x = 142,522.08 × 57,948.24
  4. Step 4: Simplify right side
    103,272.60x = 8,258,903,697.14
  5. Step 5: Solve for x
    x = 8,258,903,697.14/103,272.60
  6. Step 6: Final answer
    x = 79,971.88

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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.