Home / 152,263.17-210,122.10-87,708.87

Finding the Fourth Proportional to 152,263.17, 210,122.10 and 87,708.87

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Solution

The fourth proportional to 152,263.17, 210,122.10 and 87,708.87 is: 121,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,263.17 : 210,122.10 = 87,708.87 : x
  2. Step 2: Convert to fraction form
    152,263.17/210,122.10 = 87,708.87/x
  3. Step 3: Cross multiply
    152,263.17x = 210,122.10 × 87,708.87
  4. Step 4: Simplify right side
    152,263.17x = 18,429,571,953.03
  5. Step 5: Solve for x
    x = 18,429,571,953.03/152,263.17
  6. Step 6: Final answer
    x = 121,037.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.