Home / 145,211.08-217,739.40-50,417.32

Finding the Fourth Proportional to 145,211.08, 217,739.40 and 50,417.32

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Solution

The fourth proportional to 145,211.08, 217,739.40 and 50,417.32 is: 75,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,211.08 : 217,739.40 = 50,417.32 : x
  2. Step 2: Convert to fraction form
    145,211.08/217,739.40 = 50,417.32/x
  3. Step 3: Cross multiply
    145,211.08x = 217,739.40 × 50,417.32
  4. Step 4: Simplify right side
    145,211.08x = 10,977,837,006.41
  5. Step 5: Solve for x
    x = 10,977,837,006.41/145,211.08
  6. Step 6: Final answer
    x = 75,599.17

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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.