Home / 101,815.15-140,502.76-56,492.16

Finding the Fourth Proportional to 101,815.15, 140,502.76 and 56,492.16

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Solution

The fourth proportional to 101,815.15, 140,502.76 and 56,492.16 is: 77,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,815.15 : 140,502.76 = 56,492.16 : x
  2. Step 2: Convert to fraction form
    101,815.15/140,502.76 = 56,492.16/x
  3. Step 3: Cross multiply
    101,815.15x = 140,502.76 × 56,492.16
  4. Step 4: Simplify right side
    101,815.15x = 7,937,303,695.85
  5. Step 5: Solve for x
    x = 7,937,303,695.85/101,815.15
  6. Step 6: Final answer
    x = 77,957.98

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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.