Home / 142,010.04-213,020.46-47,248.68

Finding the Fourth Proportional to 142,010.04, 213,020.46 and 47,248.68

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Solution

The fourth proportional to 142,010.04, 213,020.46 and 47,248.68 is: 70,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,010.04 : 213,020.46 = 47,248.68 : x
  2. Step 2: Convert to fraction form
    142,010.04/213,020.46 = 47,248.68/x
  3. Step 3: Cross multiply
    142,010.04x = 213,020.46 × 47,248.68
  4. Step 4: Simplify right side
    142,010.04x = 10,064,935,547.99
  5. Step 5: Solve for x
    x = 10,064,935,547.99/142,010.04
  6. Step 6: Final answer
    x = 70,874.82

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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.