Home / 152,776.38-210,870.16-104,397.89

Finding the Fourth Proportional to 152,776.38, 210,870.16 and 104,397.89

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Solution

The fourth proportional to 152,776.38, 210,870.16 and 104,397.89 is: 144,095.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,776.38 : 210,870.16 = 104,397.89 : x
  2. Step 2: Convert to fraction form
    152,776.38/210,870.16 = 104,397.89/x
  3. Step 3: Cross multiply
    152,776.38x = 210,870.16 × 104,397.89
  4. Step 4: Simplify right side
    152,776.38x = 22,014,400,670.44
  5. Step 5: Solve for x
    x = 22,014,400,670.44/152,776.38
  6. Step 6: Final answer
    x = 144,095.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.