Home / 152,970.02-211,097.23-84,987.13

Finding the Fourth Proportional to 152,970.02, 211,097.23 and 84,987.13

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Solution

The fourth proportional to 152,970.02, 211,097.23 and 84,987.13 is: 117,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,970.02 : 211,097.23 = 84,987.13 : x
  2. Step 2: Convert to fraction form
    152,970.02/211,097.23 = 84,987.13/x
  3. Step 3: Cross multiply
    152,970.02x = 211,097.23 × 84,987.13
  4. Step 4: Simplify right side
    152,970.02x = 17,940,547,728.65
  5. Step 5: Solve for x
    x = 17,940,547,728.65/152,970.02
  6. Step 6: Final answer
    x = 117,281.46

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1.5x scale

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.