Home / 147,547.10-221,320.65-144,266.60

Finding the Fourth Proportional to 147,547.10, 221,320.65 and 144,266.60

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Solution

The fourth proportional to 147,547.10, 221,320.65 and 144,266.60 is: 216,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,547.10 : 221,320.65 = 144,266.60 : x
  2. Step 2: Convert to fraction form
    147,547.10/221,320.65 = 144,266.60/x
  3. Step 3: Cross multiply
    147,547.10x = 221,320.65 × 144,266.60
  4. Step 4: Simplify right side
    147,547.10x = 31,929,177,685.29
  5. Step 5: Solve for x
    x = 31,929,177,685.29/147,547.10
  6. Step 6: Final answer
    x = 216,399.90

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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.