Home / 143,870.16-215,804.93-38,689.23

Finding the Fourth Proportional to 143,870.16, 215,804.93 and 38,689.23

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Solution

The fourth proportional to 143,870.16, 215,804.93 and 38,689.23 is: 58,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,870.16 : 215,804.93 = 38,689.23 : x
  2. Step 2: Convert to fraction form
    143,870.16/215,804.93 = 38,689.23/x
  3. Step 3: Cross multiply
    143,870.16x = 215,804.93 × 38,689.23
  4. Step 4: Simplify right side
    143,870.16x = 8,349,325,973.82
  5. Step 5: Solve for x
    x = 8,349,325,973.82/143,870.16
  6. Step 6: Final answer
    x = 58,033.76

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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.