Home / 103,775.28-155,527.56-47,595.12

Finding the Fourth Proportional to 103,775.28, 155,527.56 and 47,595.12

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Solution

The fourth proportional to 103,775.28, 155,527.56 and 47,595.12 is: 71,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,775.28 : 155,527.56 = 47,595.12 : x
  2. Step 2: Convert to fraction form
    103,775.28/155,527.56 = 47,595.12/x
  3. Step 3: Cross multiply
    103,775.28x = 155,527.56 × 47,595.12
  4. Step 4: Simplify right side
    103,775.28x = 7,402,352,881.51
  5. Step 5: Solve for x
    x = 7,402,352,881.51/103,775.28
  6. Step 6: Final answer
    x = 71,330.60

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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.