Home / 248,437.72-342,838.67-145,089.69

Finding the Fourth Proportional to 248,437.72, 342,838.67 and 145,089.69

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Solution

The fourth proportional to 248,437.72, 342,838.67 and 145,089.69 is: 200,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,437.72 : 342,838.67 = 145,089.69 : x
  2. Step 2: Convert to fraction form
    248,437.72/342,838.67 = 145,089.69/x
  3. Step 3: Cross multiply
    248,437.72x = 342,838.67 × 145,089.69
  4. Step 4: Simplify right side
    248,437.72x = 49,742,356,350.31
  5. Step 5: Solve for x
    x = 49,742,356,350.31/248,437.72
  6. Step 6: Final answer
    x = 200,220.63

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1.5x scale

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.