Home / 177,746.48-245,316.88-102,280.40

Finding the Fourth Proportional to 177,746.48, 245,316.88 and 102,280.40

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Solution

The fourth proportional to 177,746.48, 245,316.88 and 102,280.40 is: 141,162.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,746.48 : 245,316.88 = 102,280.40 : x
  2. Step 2: Convert to fraction form
    177,746.48/245,316.88 = 102,280.40/x
  3. Step 3: Cross multiply
    177,746.48x = 245,316.88 × 102,280.40
  4. Step 4: Simplify right side
    177,746.48x = 25,091,108,613.15
  5. Step 5: Solve for x
    x = 25,091,108,613.15/177,746.48
  6. Step 6: Final answer
    x = 141,162.34

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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.