Home / 113,135.13-169,700.06-56,960.16

Finding the Fourth Proportional to 113,135.13, 169,700.06 and 56,960.16

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Solution

The fourth proportional to 113,135.13, 169,700.06 and 56,960.16 is: 85,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,135.13 : 169,700.06 = 56,960.16 : x
  2. Step 2: Convert to fraction form
    113,135.13/169,700.06 = 56,960.16/x
  3. Step 3: Cross multiply
    113,135.13x = 169,700.06 × 56,960.16
  4. Step 4: Simplify right side
    113,135.13x = 9,666,141,721.11
  5. Step 5: Solve for x
    x = 9,666,141,721.11/113,135.13
  6. Step 6: Final answer
    x = 85,438.91

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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.