Home / 152,557.32-210,529.07-84,574.12

Finding the Fourth Proportional to 152,557.32, 210,529.07 and 84,574.12

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Solution

The fourth proportional to 152,557.32, 210,529.07 and 84,574.12 is: 116,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,557.32 : 210,529.07 = 84,574.12 : x
  2. Step 2: Convert to fraction form
    152,557.32/210,529.07 = 84,574.12/x
  3. Step 3: Cross multiply
    152,557.32x = 210,529.07 × 84,574.12
  4. Step 4: Simplify right side
    152,557.32x = 17,805,311,068.10
  5. Step 5: Solve for x
    x = 17,805,311,068.10/152,557.32
  6. Step 6: Final answer
    x = 116,712.27

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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.