Home / 153,143.46-229,715.06-47,970.63

Finding the Fourth Proportional to 153,143.46, 229,715.06 and 47,970.63

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Solution

The fourth proportional to 153,143.46, 229,715.06 and 47,970.63 is: 71,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,143.46 : 229,715.06 = 47,970.63 : x
  2. Step 2: Convert to fraction form
    153,143.46/229,715.06 = 47,970.63/x
  3. Step 3: Cross multiply
    153,143.46x = 229,715.06 × 47,970.63
  4. Step 4: Simplify right side
    153,143.46x = 11,019,575,908.83
  5. Step 5: Solve for x
    x = 11,019,575,908.83/153,143.46
  6. Step 6: Final answer
    x = 71,955.90

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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.