Home / 150,640.98-207,875.58-86,117.18

Finding the Fourth Proportional to 150,640.98, 207,875.58 and 86,117.18

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Solution

The fourth proportional to 150,640.98, 207,875.58 and 86,117.18 is: 118,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,640.98 : 207,875.58 = 86,117.18 : x
  2. Step 2: Convert to fraction form
    150,640.98/207,875.58 = 86,117.18/x
  3. Step 3: Cross multiply
    150,640.98x = 207,875.58 × 86,117.18
  4. Step 4: Simplify right side
    150,640.98x = 17,901,658,740.46
  5. Step 5: Solve for x
    x = 17,901,658,740.46/150,640.98
  6. Step 6: Final answer
    x = 118,836.58

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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.