Home / 163,436.37-245,136.20-45,124.53

Finding the Fourth Proportional to 163,436.37, 245,136.20 and 45,124.53

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Solution

The fourth proportional to 163,436.37, 245,136.20 and 45,124.53 is: 67,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,436.37 : 245,136.20 = 45,124.53 : x
  2. Step 2: Convert to fraction form
    163,436.37/245,136.20 = 45,124.53/x
  3. Step 3: Cross multiply
    163,436.37x = 245,136.20 × 45,124.53
  4. Step 4: Simplify right side
    163,436.37x = 11,061,655,585.36
  5. Step 5: Solve for x
    x = 11,061,655,585.36/163,436.37
  6. Step 6: Final answer
    x = 67,681.73

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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.