Home / 213,531.37-294,661.71-118,031.91

Finding the Fourth Proportional to 213,531.37, 294,661.71 and 118,031.91

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Solution

The fourth proportional to 213,531.37, 294,661.71 and 118,031.91 is: 162,877.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,531.37 : 294,661.71 = 118,031.91 : x
  2. Step 2: Convert to fraction form
    213,531.37/294,661.71 = 118,031.91/x
  3. Step 3: Cross multiply
    213,531.37x = 294,661.71 × 118,031.91
  4. Step 4: Simplify right side
    213,531.37x = 34,779,483,330.18
  5. Step 5: Solve for x
    x = 34,779,483,330.18/213,531.37
  6. Step 6: Final answer
    x = 162,877.63

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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.