Home / 216,946.03-299,415.42-130,909.45

Finding the Fourth Proportional to 216,946.03, 299,415.42 and 130,909.45

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Solution

The fourth proportional to 216,946.03, 299,415.42 and 130,909.45 is: 180,673.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,946.03 : 299,415.42 = 130,909.45 : x
  2. Step 2: Convert to fraction form
    216,946.03/299,415.42 = 130,909.45/x
  3. Step 3: Cross multiply
    216,946.03x = 299,415.42 × 130,909.45
  4. Step 4: Simplify right side
    216,946.03x = 39,196,307,953.72
  5. Step 5: Solve for x
    x = 39,196,307,953.72/216,946.03
  6. Step 6: Final answer
    x = 180,673.08

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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.