Home / 157,432.40-236,148.60-126,328.40

Finding the Fourth Proportional to 157,432.40, 236,148.60 and 126,328.40

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Solution

The fourth proportional to 157,432.40, 236,148.60 and 126,328.40 is: 189,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,432.40 : 236,148.60 = 126,328.40 : x
  2. Step 2: Convert to fraction form
    157,432.40/236,148.60 = 126,328.40/x
  3. Step 3: Cross multiply
    157,432.40x = 236,148.60 × 126,328.40
  4. Step 4: Simplify right side
    157,432.40x = 29,832,274,800.24
  5. Step 5: Solve for x
    x = 29,832,274,800.24/157,432.40
  6. Step 6: Final answer
    x = 189,492.60

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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.