Home / 156,875.36-235,120.26-72,521.42

Finding the Fourth Proportional to 156,875.36, 235,120.26 and 72,521.42

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Solution

The fourth proportional to 156,875.36, 235,120.26 and 72,521.42 is: 108,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,875.36 : 235,120.26 = 72,521.42 : x
  2. Step 2: Convert to fraction form
    156,875.36/235,120.26 = 72,521.42/x
  3. Step 3: Cross multiply
    156,875.36x = 235,120.26 × 72,521.42
  4. Step 4: Simplify right side
    156,875.36x = 17,051,255,125.97
  5. Step 5: Solve for x
    x = 17,051,255,125.97/156,875.36
  6. Step 6: Final answer
    x = 108,693.01

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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.