Home / 90,674.32-136,011.32-34,501.08

Finding the Fourth Proportional to 90,674.32, 136,011.32 and 34,501.08

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Solution

The fourth proportional to 90,674.32, 136,011.32 and 34,501.08 is: 51,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,674.32 : 136,011.32 = 34,501.08 : x
  2. Step 2: Convert to fraction form
    90,674.32/136,011.32 = 34,501.08/x
  3. Step 3: Cross multiply
    90,674.32x = 136,011.32 × 34,501.08
  4. Step 4: Simplify right side
    90,674.32x = 4,692,537,432.23
  5. Step 5: Solve for x
    x = 4,692,537,432.23/90,674.32
  6. Step 6: Final answer
    x = 51,751.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.