Home / 95,289.05-142,915.12-90,547.36

Finding the Fourth Proportional to 95,289.05, 142,915.12 and 90,547.36

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Solution

The fourth proportional to 95,289.05, 142,915.12 and 90,547.36 is: 135,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,289.05 : 142,915.12 = 90,547.36 : x
  2. Step 2: Convert to fraction form
    95,289.05/142,915.12 = 90,547.36/x
  3. Step 3: Cross multiply
    95,289.05x = 142,915.12 × 90,547.36
  4. Step 4: Simplify right side
    95,289.05x = 12,940,586,820.08
  5. Step 5: Solve for x
    x = 12,940,586,820.08/95,289.05
  6. Step 6: Final answer
    x = 135,803.50

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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.