Home / 160,148.32-221,001.46-88,531.36

Finding the Fourth Proportional to 160,148.32, 221,001.46 and 88,531.36

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Solution

The fourth proportional to 160,148.32, 221,001.46 and 88,531.36 is: 122,171.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,148.32 : 221,001.46 = 88,531.36 : x
  2. Step 2: Convert to fraction form
    160,148.32/221,001.46 = 88,531.36/x
  3. Step 3: Cross multiply
    160,148.32x = 221,001.46 × 88,531.36
  4. Step 4: Simplify right side
    160,148.32x = 19,565,559,815.79
  5. Step 5: Solve for x
    x = 19,565,559,815.79/160,148.32
  6. Step 6: Final answer
    x = 122,171.50

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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.