Home / 150,347.04-207,335.64-89,907.84

Finding the Fourth Proportional to 150,347.04, 207,335.64 and 89,907.84

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Solution

The fourth proportional to 150,347.04, 207,335.64 and 89,907.84 is: 123,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,347.04 : 207,335.64 = 89,907.84 : x
  2. Step 2: Convert to fraction form
    150,347.04/207,335.64 = 89,907.84/x
  3. Step 3: Cross multiply
    150,347.04x = 207,335.64 × 89,907.84
  4. Step 4: Simplify right side
    150,347.04x = 18,641,099,547.42
  5. Step 5: Solve for x
    x = 18,641,099,547.42/150,347.04
  6. Step 6: Final answer
    x = 123,987.14

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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.