Home / 152,882.10-210,973.28-84,896.91

Finding the Fourth Proportional to 152,882.10, 210,973.28 and 84,896.91

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Solution

The fourth proportional to 152,882.10, 210,973.28 and 84,896.91 is: 117,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,882.10 : 210,973.28 = 84,896.91 : x
  2. Step 2: Convert to fraction form
    152,882.10/210,973.28 = 84,896.91/x
  3. Step 3: Cross multiply
    152,882.10x = 210,973.28 × 84,896.91
  4. Step 4: Simplify right side
    152,882.10x = 17,910,979,140.08
  5. Step 5: Solve for x
    x = 17,910,979,140.08/152,882.10
  6. Step 6: Final answer
    x = 117,155.50

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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.