Home / 140,312.98-210,552.50-51,628.76

Finding the Fourth Proportional to 140,312.98, 210,552.50 and 51,628.76

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Solution

The fourth proportional to 140,312.98, 210,552.50 and 51,628.76 is: 77,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,312.98 : 210,552.50 = 51,628.76 : x
  2. Step 2: Convert to fraction form
    140,312.98/210,552.50 = 51,628.76/x
  3. Step 3: Cross multiply
    140,312.98x = 210,552.50 × 51,628.76
  4. Step 4: Simplify right side
    140,312.98x = 10,870,564,618.97
  5. Step 5: Solve for x
    x = 10,870,564,618.97/140,312.98
  6. Step 6: Final answer
    x = 77,473.69

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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.