Home / 160,731.14-221,814.23-89,117.82

Finding the Fourth Proportional to 160,731.14, 221,814.23 and 89,117.82

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Solution

The fourth proportional to 160,731.14, 221,814.23 and 89,117.82 is: 122,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,731.14 : 221,814.23 = 89,117.82 : x
  2. Step 2: Convert to fraction form
    160,731.14/221,814.23 = 89,117.82/x
  3. Step 3: Cross multiply
    160,731.14x = 221,814.23 × 89,117.82
  4. Step 4: Simplify right side
    160,731.14x = 19,767,600,176.99
  5. Step 5: Solve for x
    x = 19,767,600,176.99/160,731.14
  6. Step 6: Final answer
    x = 122,985.51

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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.