Home / 113,827.40-170,894.70-72,355.40

Finding the Fourth Proportional to 113,827.40, 170,894.70 and 72,355.40

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Solution

The fourth proportional to 113,827.40, 170,894.70 and 72,355.40 is: 108,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,827.40 : 170,894.70 = 72,355.40 : x
  2. Step 2: Convert to fraction form
    113,827.40/170,894.70 = 72,355.40/x
  3. Step 3: Cross multiply
    113,827.40x = 170,894.70 × 72,355.40
  4. Step 4: Simplify right side
    113,827.40x = 12,365,154,376.38
  5. Step 5: Solve for x
    x = 12,365,154,376.38/113,827.40
  6. Step 6: Final answer
    x = 108,630.74

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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.