Home / 103,360.04-155,011.70-28,462.60

Finding the Fourth Proportional to 103,360.04, 155,011.70 and 28,462.60

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Solution

The fourth proportional to 103,360.04, 155,011.70 and 28,462.60 is: 42,686.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,360.04 : 155,011.70 = 28,462.60 : x
  2. Step 2: Convert to fraction form
    103,360.04/155,011.70 = 28,462.60/x
  3. Step 3: Cross multiply
    103,360.04x = 155,011.70 × 28,462.60
  4. Step 4: Simplify right side
    103,360.04x = 4,412,036,012.42
  5. Step 5: Solve for x
    x = 4,412,036,012.42/103,360.04
  6. Step 6: Final answer
    x = 42,686.09

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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.