Home / 122,340.60-183,510.91-103,678.20

Finding the Fourth Proportional to 122,340.60, 183,510.91 and 103,678.20

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Solution

The fourth proportional to 122,340.60, 183,510.91 and 103,678.20 is: 155,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,340.60 : 183,510.91 = 103,678.20 : x
  2. Step 2: Convert to fraction form
    122,340.60/183,510.91 = 103,678.20/x
  3. Step 3: Cross multiply
    122,340.60x = 183,510.91 × 103,678.20
  4. Step 4: Simplify right side
    122,340.60x = 19,026,080,829.16
  5. Step 5: Solve for x
    x = 19,026,080,829.16/122,340.60
  6. Step 6: Final answer
    x = 155,517.31

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1.5x scale

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.