Home / 153,308.07-211,384.13-104,933.30

Finding the Fourth Proportional to 153,308.07, 211,384.13 and 104,933.30

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Solution

The fourth proportional to 153,308.07, 211,384.13 and 104,933.30 is: 144,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,308.07 : 211,384.13 = 104,933.30 : x
  2. Step 2: Convert to fraction form
    153,308.07/211,384.13 = 104,933.30/x
  3. Step 3: Cross multiply
    153,308.07x = 211,384.13 × 104,933.30
  4. Step 4: Simplify right side
    153,308.07x = 22,181,232,746.94
  5. Step 5: Solve for x
    x = 22,181,232,746.94/153,308.07
  6. Step 6: Final answer
    x = 144,684.05

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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.