Home / 145,429.04-200,624.72-85,002.24

Finding the Fourth Proportional to 145,429.04, 200,624.72 and 85,002.24

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Solution

The fourth proportional to 145,429.04, 200,624.72 and 85,002.24 is: 117,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,429.04 : 200,624.72 = 85,002.24 : x
  2. Step 2: Convert to fraction form
    145,429.04/200,624.72 = 85,002.24/x
  3. Step 3: Cross multiply
    145,429.04x = 200,624.72 × 85,002.24
  4. Step 4: Simplify right side
    145,429.04x = 17,053,550,599.37
  5. Step 5: Solve for x
    x = 17,053,550,599.37/145,429.04
  6. Step 6: Final answer
    x = 117,263.72

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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.