Home / 152,349.72-210,461.64-121,682.52

Finding the Fourth Proportional to 152,349.72, 210,461.64 and 121,682.52

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Solution

The fourth proportional to 152,349.72, 210,461.64 and 121,682.52 is: 168,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,349.72 : 210,461.64 = 121,682.52 : x
  2. Step 2: Convert to fraction form
    152,349.72/210,461.64 = 121,682.52/x
  3. Step 3: Cross multiply
    152,349.72x = 210,461.64 × 121,682.52
  4. Step 4: Simplify right side
    152,349.72x = 25,609,502,718.53
  5. Step 5: Solve for x
    x = 25,609,502,718.53/152,349.72
  6. Step 6: Final answer
    x = 168,096.82

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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.