Home / 156,257.02-215,492.95-102,521.62

Finding the Fourth Proportional to 156,257.02, 215,492.95 and 102,521.62

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Solution

The fourth proportional to 156,257.02, 215,492.95 and 102,521.62 is: 141,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,257.02 : 215,492.95 = 102,521.62 : x
  2. Step 2: Convert to fraction form
    156,257.02/215,492.95 = 102,521.62/x
  3. Step 3: Cross multiply
    156,257.02x = 215,492.95 × 102,521.62
  4. Step 4: Simplify right side
    156,257.02x = 22,092,686,332.58
  5. Step 5: Solve for x
    x = 22,092,686,332.58/156,257.02
  6. Step 6: Final answer
    x = 141,386.84

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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.