Home / 152,962.40-211,090.79-84,985.58

Finding the Fourth Proportional to 152,962.40, 211,090.79 and 84,985.58

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Solution

The fourth proportional to 152,962.40, 211,090.79 and 84,985.58 is: 117,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,962.40 : 211,090.79 = 84,985.58 : x
  2. Step 2: Convert to fraction form
    152,962.40/211,090.79 = 84,985.58/x
  3. Step 3: Cross multiply
    152,962.40x = 211,090.79 × 84,985.58
  4. Step 4: Simplify right side
    152,962.40x = 17,939,673,220.81
  5. Step 5: Solve for x
    x = 17,939,673,220.81/152,962.40
  6. Step 6: Final answer
    x = 117,281.59

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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.