Home / 152,215.76-210,068.30-84,235.60

Finding the Fourth Proportional to 152,215.76, 210,068.30 and 84,235.60

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Solution

The fourth proportional to 152,215.76, 210,068.30 and 84,235.60 is: 116,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,215.76 : 210,068.30 = 84,235.60 : x
  2. Step 2: Convert to fraction form
    152,215.76/210,068.30 = 84,235.60/x
  3. Step 3: Cross multiply
    152,215.76x = 210,068.30 × 84,235.60
  4. Step 4: Simplify right side
    152,215.76x = 17,695,229,291.48
  5. Step 5: Solve for x
    x = 17,695,229,291.48/152,215.76
  6. Step 6: Final answer
    x = 116,250.97

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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.