Home / 208,923.42-288,306.45-113,428.08

Finding the Fourth Proportional to 208,923.42, 288,306.45 and 113,428.08

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Solution

The fourth proportional to 208,923.42, 288,306.45 and 113,428.08 is: 156,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,923.42 : 288,306.45 = 113,428.08 : x
  2. Step 2: Convert to fraction form
    208,923.42/288,306.45 = 113,428.08/x
  3. Step 3: Cross multiply
    208,923.42x = 288,306.45 × 113,428.08
  4. Step 4: Simplify right side
    208,923.42x = 32,702,047,075.12
  5. Step 5: Solve for x
    x = 32,702,047,075.12/208,923.42
  6. Step 6: Final answer
    x = 156,526.48

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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.