Home / 136,345.02-188,059.92-118,162.85

Finding the Fourth Proportional to 136,345.02, 188,059.92 and 118,162.85

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Solution

The fourth proportional to 136,345.02, 188,059.92 and 118,162.85 is: 162,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,345.02 : 188,059.92 = 118,162.85 : x
  2. Step 2: Convert to fraction form
    136,345.02/188,059.92 = 118,162.85/x
  3. Step 3: Cross multiply
    136,345.02x = 188,059.92 × 118,162.85
  4. Step 4: Simplify right side
    136,345.02x = 22,221,696,117.97
  5. Step 5: Solve for x
    x = 22,221,696,117.97/136,345.02
  6. Step 6: Final answer
    x = 162,981.36

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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.