Home / 210,525.38-290,525.10-113,729.28

Finding the Fourth Proportional to 210,525.38, 290,525.10 and 113,729.28

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Solution

The fourth proportional to 210,525.38, 290,525.10 and 113,729.28 is: 156,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,525.38 : 290,525.10 = 113,729.28 : x
  2. Step 2: Convert to fraction form
    210,525.38/290,525.10 = 113,729.28/x
  3. Step 3: Cross multiply
    210,525.38x = 290,525.10 × 113,729.28
  4. Step 4: Simplify right side
    210,525.38x = 33,041,210,444.93
  5. Step 5: Solve for x
    x = 33,041,210,444.93/210,525.38
  6. Step 6: Final answer
    x = 156,946.45

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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.