Home / 145,412.13-218,118.54-44,211.08

Finding the Fourth Proportional to 145,412.13, 218,118.54 and 44,211.08

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Solution

The fourth proportional to 145,412.13, 218,118.54 and 44,211.08 is: 66,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,412.13 : 218,118.54 = 44,211.08 : x
  2. Step 2: Convert to fraction form
    145,412.13/218,118.54 = 44,211.08/x
  3. Step 3: Cross multiply
    145,412.13x = 218,118.54 × 44,211.08
  4. Step 4: Simplify right side
    145,412.13x = 9,643,255,130.83
  5. Step 5: Solve for x
    x = 9,643,255,130.83/145,412.13
  6. Step 6: Final answer
    x = 66,316.72

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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.