Home / 210,526.38-290,526.48-113,730.27

Finding the Fourth Proportional to 210,526.38, 290,526.48 and 113,730.27

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Solution

The fourth proportional to 210,526.38, 290,526.48 and 113,730.27 is: 156,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,526.38 : 290,526.48 = 113,730.27 : x
  2. Step 2: Convert to fraction form
    210,526.38/290,526.48 = 113,730.27/x
  3. Step 3: Cross multiply
    210,526.38x = 290,526.48 × 113,730.27
  4. Step 4: Simplify right side
    210,526.38x = 33,041,655,012.55
  5. Step 5: Solve for x
    x = 33,041,655,012.55/210,526.38
  6. Step 6: Final answer
    x = 156,947.81

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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.