Home / 152,886.40-229,329.60-89,641.60

Finding the Fourth Proportional to 152,886.40, 229,329.60 and 89,641.60

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Solution

The fourth proportional to 152,886.40, 229,329.60 and 89,641.60 is: 134,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,886.40 : 229,329.60 = 89,641.60 : x
  2. Step 2: Convert to fraction form
    152,886.40/229,329.60 = 89,641.60/x
  3. Step 3: Cross multiply
    152,886.40x = 229,329.60 × 89,641.60
  4. Step 4: Simplify right side
    152,886.40x = 20,557,472,271.36
  5. Step 5: Solve for x
    x = 20,557,472,271.36/152,886.40
  6. Step 6: Final answer
    x = 134,462.40

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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.