Home / 163,741.59-245,612.36-45,412.92

Finding the Fourth Proportional to 163,741.59, 245,612.36 and 45,412.92

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Solution

The fourth proportional to 163,741.59, 245,612.36 and 45,412.92 is: 68,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,741.59 : 245,612.36 = 45,412.92 : x
  2. Step 2: Convert to fraction form
    163,741.59/245,612.36 = 45,412.92/x
  3. Step 3: Cross multiply
    163,741.59x = 245,612.36 × 45,412.92
  4. Step 4: Simplify right side
    163,741.59x = 11,153,974,455.69
  5. Step 5: Solve for x
    x = 11,153,974,455.69/163,741.59
  6. Step 6: Final answer
    x = 68,119.37

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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.