Home / 160,011.18-220,859.40-99,545.76

Finding the Fourth Proportional to 160,011.18, 220,859.40 and 99,545.76

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Solution

The fourth proportional to 160,011.18, 220,859.40 and 99,545.76 is: 137,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,011.18 : 220,859.40 = 99,545.76 : x
  2. Step 2: Convert to fraction form
    160,011.18/220,859.40 = 99,545.76/x
  3. Step 3: Cross multiply
    160,011.18x = 220,859.40 × 99,545.76
  4. Step 4: Simplify right side
    160,011.18x = 21,985,616,826.14
  5. Step 5: Solve for x
    x = 21,985,616,826.14/160,011.18
  6. Step 6: Final answer
    x = 137,400.50

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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.