Home / 122,001.60-183,032.40-42,040.80

Finding the Fourth Proportional to 122,001.60, 183,032.40 and 42,040.80

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Solution

The fourth proportional to 122,001.60, 183,032.40 and 42,040.80 is: 63,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,001.60 : 183,032.40 = 42,040.80 : x
  2. Step 2: Convert to fraction form
    122,001.60/183,032.40 = 42,040.80/x
  3. Step 3: Cross multiply
    122,001.60x = 183,032.40 × 42,040.80
  4. Step 4: Simplify right side
    122,001.60x = 7,694,828,521.92
  5. Step 5: Solve for x
    x = 7,694,828,521.92/122,001.60
  6. Step 6: Final answer
    x = 63,071.54

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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.