Home / 145,391.40-218,087.10-101,068.20

Finding the Fourth Proportional to 145,391.40, 218,087.10 and 101,068.20

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Solution

The fourth proportional to 145,391.40, 218,087.10 and 101,068.20 is: 151,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,391.40 : 218,087.10 = 101,068.20 : x
  2. Step 2: Convert to fraction form
    145,391.40/218,087.10 = 101,068.20/x
  3. Step 3: Cross multiply
    145,391.40x = 218,087.10 × 101,068.20
  4. Step 4: Simplify right side
    145,391.40x = 22,041,670,640.22
  5. Step 5: Solve for x
    x = 22,041,670,640.22/145,391.40
  6. Step 6: Final answer
    x = 151,602.30

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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.