Home / 91,303.12-136,860.72-44,498.08

Finding the Fourth Proportional to 91,303.12, 136,860.72 and 44,498.08

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Solution

The fourth proportional to 91,303.12, 136,860.72 and 44,498.08 is: 66,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303.12 : 136,860.72 = 44,498.08 : x
  2. Step 2: Convert to fraction form
    91,303.12/136,860.72 = 44,498.08/x
  3. Step 3: Cross multiply
    91,303.12x = 136,860.72 × 44,498.08
  4. Step 4: Simplify right side
    91,303.12x = 6,090,039,267.42
  5. Step 5: Solve for x
    x = 6,090,039,267.42/91,303.12
  6. Step 6: Final answer
    x = 66,701.33

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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.