Home / 152,678.75-210,697.94-84,700.15

Finding the Fourth Proportional to 152,678.75, 210,697.94 and 84,700.15

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Solution

The fourth proportional to 152,678.75, 210,697.94 and 84,700.15 is: 116,886.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,678.75 : 210,697.94 = 84,700.15 : x
  2. Step 2: Convert to fraction form
    152,678.75/210,697.94 = 84,700.15/x
  3. Step 3: Cross multiply
    152,678.75x = 210,697.94 × 84,700.15
  4. Step 4: Simplify right side
    152,678.75x = 17,846,146,807.70
  5. Step 5: Solve for x
    x = 17,846,146,807.70/152,678.75
  6. Step 6: Final answer
    x = 116,886.91

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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.