Home / 163,500.40-245,312.87-56,896.20

Finding the Fourth Proportional to 163,500.40, 245,312.87 and 56,896.20

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Solution

The fourth proportional to 163,500.40, 245,312.87 and 56,896.20 is: 85,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,500.40 : 245,312.87 = 56,896.20 : x
  2. Step 2: Convert to fraction form
    163,500.40/245,312.87 = 56,896.20/x
  3. Step 3: Cross multiply
    163,500.40x = 245,312.87 × 56,896.20
  4. Step 4: Simplify right side
    163,500.40x = 13,957,370,114.09
  5. Step 5: Solve for x
    x = 13,957,370,114.09/163,500.40
  6. Step 6: Final answer
    x = 85,365.97

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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.