Home / 130,678.84-180,274.98-88,252.12

Finding the Fourth Proportional to 130,678.84, 180,274.98 and 88,252.12

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Solution

The fourth proportional to 130,678.84, 180,274.98 and 88,252.12 is: 121,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,678.84 : 180,274.98 = 88,252.12 : x
  2. Step 2: Convert to fraction form
    130,678.84/180,274.98 = 88,252.12/x
  3. Step 3: Cross multiply
    130,678.84x = 180,274.98 × 88,252.12
  4. Step 4: Simplify right side
    130,678.84x = 15,909,649,167.96
  5. Step 5: Solve for x
    x = 15,909,649,167.96/130,678.84
  6. Step 6: Final answer
    x = 121,746.18

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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.