Home / 152,400.13-210,302.93-84,413.14

Finding the Fourth Proportional to 152,400.13, 210,302.93 and 84,413.14

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Solution

The fourth proportional to 152,400.13, 210,302.93 and 84,413.14 is: 116,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,400.13 : 210,302.93 = 84,413.14 : x
  2. Step 2: Convert to fraction form
    152,400.13/210,302.93 = 84,413.14/x
  3. Step 3: Cross multiply
    152,400.13x = 210,302.93 × 84,413.14
  4. Step 4: Simplify right side
    152,400.13x = 17,752,330,357.78
  5. Step 5: Solve for x
    x = 17,752,330,357.78/152,400.13
  6. Step 6: Final answer
    x = 116,485.01

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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.