Home / 177,780.48-245,363.76-102,314.40

Finding the Fourth Proportional to 177,780.48, 245,363.76 and 102,314.40

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Solution

The fourth proportional to 177,780.48, 245,363.76 and 102,314.40 is: 141,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,780.48 : 245,363.76 = 102,314.40 : x
  2. Step 2: Convert to fraction form
    177,780.48/245,363.76 = 102,314.40/x
  3. Step 3: Cross multiply
    177,780.48x = 245,363.76 × 102,314.40
  4. Step 4: Simplify right side
    177,780.48x = 25,104,245,886.14
  5. Step 5: Solve for x
    x = 25,104,245,886.14/177,780.48
  6. Step 6: Final answer
    x = 141,209.24

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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.