Home / 161,801.63-242,811.80-56,621.51

Finding the Fourth Proportional to 161,801.63, 242,811.80 and 56,621.51

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Solution

The fourth proportional to 161,801.63, 242,811.80 and 56,621.51 is: 84,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,801.63 : 242,811.80 = 56,621.51 : x
  2. Step 2: Convert to fraction form
    161,801.63/242,811.80 = 56,621.51/x
  3. Step 3: Cross multiply
    161,801.63x = 242,811.80 × 56,621.51
  4. Step 4: Simplify right side
    161,801.63x = 13,748,370,761.82
  5. Step 5: Solve for x
    x = 13,748,370,761.82/161,801.63
  6. Step 6: Final answer
    x = 84,970.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.