Home / 144,330.15-216,530.43-101,718.66

Finding the Fourth Proportional to 144,330.15, 216,530.43 and 101,718.66

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Solution

The fourth proportional to 144,330.15, 216,530.43 and 101,718.66 is: 152,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,330.15 : 216,530.43 = 101,718.66 : x
  2. Step 2: Convert to fraction form
    144,330.15/216,530.43 = 101,718.66/x
  3. Step 3: Cross multiply
    144,330.15x = 216,530.43 × 101,718.66
  4. Step 4: Simplify right side
    144,330.15x = 22,025,185,188.82
  5. Step 5: Solve for x
    x = 22,025,185,188.82/144,330.15
  6. Step 6: Final answer
    x = 152,602.80

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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.