Home / 152,268.66-210,127.70-84,285.62

Finding the Fourth Proportional to 152,268.66, 210,127.70 and 84,285.62

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Solution

The fourth proportional to 152,268.66, 210,127.70 and 84,285.62 is: 116,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,268.66 : 210,127.70 = 84,285.62 : x
  2. Step 2: Convert to fraction form
    152,268.66/210,127.70 = 84,285.62/x
  3. Step 3: Cross multiply
    152,268.66x = 210,127.70 × 84,285.62
  4. Step 4: Simplify right side
    152,268.66x = 17,710,742,633.75
  5. Step 5: Solve for x
    x = 17,710,742,633.75/152,268.66
  6. Step 6: Final answer
    x = 116,312.46

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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.