Home / 145,530.24-218,295.36-52,030.32

Finding the Fourth Proportional to 145,530.24, 218,295.36 and 52,030.32

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Solution

The fourth proportional to 145,530.24, 218,295.36 and 52,030.32 is: 78,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,530.24 : 218,295.36 = 52,030.32 : x
  2. Step 2: Convert to fraction form
    145,530.24/218,295.36 = 52,030.32/x
  3. Step 3: Cross multiply
    145,530.24x = 218,295.36 × 52,030.32
  4. Step 4: Simplify right side
    145,530.24x = 11,357,977,435.32
  5. Step 5: Solve for x
    x = 11,357,977,435.32/145,530.24
  6. Step 6: Final answer
    x = 78,045.48

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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.