Home / 98,071.85-135,288.95-64,100.24

Finding the Fourth Proportional to 98,071.85, 135,288.95 and 64,100.24

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Solution

The fourth proportional to 98,071.85, 135,288.95 and 64,100.24 is: 88,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,071.85 : 135,288.95 = 64,100.24 : x
  2. Step 2: Convert to fraction form
    98,071.85/135,288.95 = 64,100.24/x
  3. Step 3: Cross multiply
    98,071.85x = 135,288.95 × 64,100.24
  4. Step 4: Simplify right side
    98,071.85x = 8,672,054,182.07
  5. Step 5: Solve for x
    x = 8,672,054,182.07/98,071.85
  6. Step 6: Final answer
    x = 88,425.52

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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.