Home / 97,440.90-146,088.45-53,117.70

Finding the Fourth Proportional to 97,440.90, 146,088.45 and 53,117.70

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Solution

The fourth proportional to 97,440.90, 146,088.45 and 53,117.70 is: 79,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,440.90 : 146,088.45 = 53,117.70 : x
  2. Step 2: Convert to fraction form
    97,440.90/146,088.45 = 53,117.70/x
  3. Step 3: Cross multiply
    97,440.90x = 146,088.45 × 53,117.70
  4. Step 4: Simplify right side
    97,440.90x = 7,759,882,460.57
  5. Step 5: Solve for x
    x = 7,759,882,460.57/97,440.90
  6. Step 6: Final answer
    x = 79,636.81

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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.