Home / 147,732.40-221,598.60-138,984.40

Finding the Fourth Proportional to 147,732.40, 221,598.60 and 138,984.40

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Solution

The fourth proportional to 147,732.40, 221,598.60 and 138,984.40 is: 208,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,732.40 : 221,598.60 = 138,984.40 : x
  2. Step 2: Convert to fraction form
    147,732.40/221,598.60 = 138,984.40/x
  3. Step 3: Cross multiply
    147,732.40x = 221,598.60 × 138,984.40
  4. Step 4: Simplify right side
    147,732.40x = 30,798,748,461.84
  5. Step 5: Solve for x
    x = 30,798,748,461.84/147,732.40
  6. Step 6: Final answer
    x = 208,476.60

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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.