Home / 152,931.60-229,397.40-113,565.60

Finding the Fourth Proportional to 152,931.60, 229,397.40 and 113,565.60

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Solution

The fourth proportional to 152,931.60, 229,397.40 and 113,565.60 is: 170,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,931.60 : 229,397.40 = 113,565.60 : x
  2. Step 2: Convert to fraction form
    152,931.60/229,397.40 = 113,565.60/x
  3. Step 3: Cross multiply
    152,931.60x = 229,397.40 × 113,565.60
  4. Step 4: Simplify right side
    152,931.60x = 26,051,653,369.44
  5. Step 5: Solve for x
    x = 26,051,653,369.44/152,931.60
  6. Step 6: Final answer
    x = 170,348.40

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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.