Home / 152,858.65-229,281.81-77,977.15

Finding the Fourth Proportional to 152,858.65, 229,281.81 and 77,977.15

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Solution

The fourth proportional to 152,858.65, 229,281.81 and 77,977.15 is: 116,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,858.65 : 229,281.81 = 77,977.15 : x
  2. Step 2: Convert to fraction form
    152,858.65/229,281.81 = 77,977.15/x
  3. Step 3: Cross multiply
    152,858.65x = 229,281.81 × 77,977.15
  4. Step 4: Simplify right side
    152,858.65x = 17,878,742,090.64
  5. Step 5: Solve for x
    x = 17,878,742,090.64/152,858.65
  6. Step 6: Final answer
    x = 116,962.58

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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.