Home / 152,699.68-210,927.60-127,289.20

Finding the Fourth Proportional to 152,699.68, 210,927.60 and 127,289.20

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Solution

The fourth proportional to 152,699.68, 210,927.60 and 127,289.20 is: 175,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,699.68 : 210,927.60 = 127,289.20 : x
  2. Step 2: Convert to fraction form
    152,699.68/210,927.60 = 127,289.20/x
  3. Step 3: Cross multiply
    152,699.68x = 210,927.60 × 127,289.20
  4. Step 4: Simplify right side
    152,699.68x = 26,848,805,461.92
  5. Step 5: Solve for x
    x = 26,848,805,461.92/152,699.68
  6. Step 6: Final answer
    x = 175,827.52

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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.