Home / 210,553.46-290,577.59-118,695.41

Finding the Fourth Proportional to 210,553.46, 290,577.59 and 118,695.41

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Solution

The fourth proportional to 210,553.46, 290,577.59 and 118,695.41 is: 163,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,553.46 : 290,577.59 = 118,695.41 : x
  2. Step 2: Convert to fraction form
    210,553.46/290,577.59 = 118,695.41/x
  3. Step 3: Cross multiply
    210,553.46x = 290,577.59 × 118,695.41
  4. Step 4: Simplify right side
    210,553.46x = 34,490,224,135.50
  5. Step 5: Solve for x
    x = 34,490,224,135.50/210,553.46
  6. Step 6: Final answer
    x = 163,807.45

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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.