Home / 152,519.91-210,490.08-84,558.20

Finding the Fourth Proportional to 152,519.91, 210,490.08 and 84,558.20

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Solution

The fourth proportional to 152,519.91, 210,490.08 and 84,558.20 is: 116,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,519.91 : 210,490.08 = 84,558.20 : x
  2. Step 2: Convert to fraction form
    152,519.91/210,490.08 = 84,558.20/x
  3. Step 3: Cross multiply
    152,519.91x = 210,490.08 × 84,558.20
  4. Step 4: Simplify right side
    152,519.91x = 17,798,663,045.85
  5. Step 5: Solve for x
    x = 17,798,663,045.85/152,519.91
  6. Step 6: Final answer
    x = 116,697.31

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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.